# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1679829211 -7200
# Node ID 2cf8d98d8a283c7ded00ea5047a17c029664750b
# Parent  895a82c5d8d47811cc430e25716ef51b013af58e
util.roles: Implement a serialization preparation metamethod

Should be able to roundtrip trough serialization. Also nice for debug
and logging purposes where you might want more details than what the
__tostring method provides.

diff -r 895a82c5d8d4 -r 2cf8d98d8a28 util/roles.lua
--- a/util/roles.lua	Sun Mar 26 13:07:20 2023 +0200
+++ b/util/roles.lua	Sun Mar 26 13:13:31 2023 +0200
@@ -73,6 +73,19 @@
 	return setmetatable(new_role, role_mt);
 end
 
+function role_mt:__freeze()
+	local t = {
+		id = self.id;
+		name = self.name;
+		description = self.description;
+		default = self.default;
+		priority = self.priority;
+		inherits = self.inherits;
+		permissions = self[permissions_key];
+	};
+	return t;
+end
+
 function role_methods:clone(overrides)
 	return new(self, overrides);
 end